<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title></title>
		<style>
			/*input:focus{
				background: yellow;
				
			}*/
			/*启用的*/
			/*input:enabled{
				background: orange;
			}*/
			/*未启用的*/
			/*input:disabled{
				background: greenyellow;
			}*/
			/*input:checked{
				background: yellow;
				border: 3px solid red;
			}*/
			
		</style>
	</head>
	<body>
		<input type="checkbox" />
		<input type="checkbox" />
		<input type="checkbox" />
		<input type="checkbox" />
		<input type="text" />
		<input type="text" />
		<input type="text" value='666' disabled="=disabled"/>
	</body>
</html>
